Question

3. With the help of a diagram explain the formation of lunar eclipse.
4. Does light travel in a straight line? Describe an experiment in support of your answer.​

Answer 1

Answer:

3. When the Sun, Earth, and Moon, are precisely aligned, a lunar eclipse will occur. During an eclipse the Earth blocks sunlight from reaching the Moon. Earth creates two shadows: the outer, pale shadow called the penumbra, and the dark, inner shadow called the umbra.

Explanation:

4. Yes light does travel in straight lines. ... To observe whether light travels in straight line or not, take 3-4 thin cardboard pieces.